PCIE SLOT ON MOTHERBOARD：M.2 slot Rog Strix X870E-E Gaming Wifi

pcie slot on motherboard   slot pcie x1 Both M.2_2 and M.2_3 slots share bandwidth with PCIEX16G5, populating any of these two slots will drop the PCIEX16G5 to x8. If you're using an 8000 series cpu, M.2_2 and M.2_3 will be disabled. ROG Strix 1070 OC Guide - ROG Spatha X Rapid Fire - ROG Falchion Touch Panel - z270 BCLK Overclocking - Xsplit Gamecaster Guide - ROG RX 460 OC Guide

slot pcie PCI-E x16 slot: It is 89mm long and has 164 pins. It is often used for graphics cards and backward compatible with x1 / x4 / x8 devices. PCI-E x8 slot: It is 56mm long and has 98 pins. It usually appears in the form of a PCI-E x16 slot, but only half of the data pins are valid, which means that the actual bandwidth is only half of the true PCI

pcie x1 slot M.2_3 slot Key M, type 2242/2260/2280/22110 supports PCIe 4.0 x4 mode 4 x SATA 6Gb/s ports*** * Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10. *** M.2_2 slot shares bandwidth with PCIe X1 and WiFi Key E. M.2_2 will run at PCI 3.0 x2 mode either a device is detected at PCIe x1 or WiFi Key E slot